Home / 5,979.41-8,251.97-3,993.29

Finding the Fourth Proportional to 5,979.41, 8,251.97 and 3,993.29

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Solution

The fourth proportional to 5,979.41, 8,251.97 and 3,993.29 is: 5,510.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.41 : 8,251.97 = 3,993.29 : x
  2. Step 2: Convert to fraction form
    5,979.41/8,251.97 = 3,993.29/x
  3. Step 3: Cross multiply
    5,979.41x = 8,251.97 × 3,993.29
  4. Step 4: Simplify right side
    5,979.41x = 32,952,448.06
  5. Step 5: Solve for x
    x = 32,952,448.06/5,979.41
  6. Step 6: Final answer
    x = 5,510.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.